The "dead" feeling you get the day after taking a particularly speedy recreational drug, such as ecstasy, cocaine or PCP when you need to spend most the day sleeping as to recover from exhaustion. May or may not be accompanied by hangover-like effects, depending on what you've taken.
Gary: "Hey dude, you wanna go out?"
Mike: "Naw dude, I'm burnt. I took some pretty potent E last night."
Gary: "Aw man, that sucks. Go back to sleep."